[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypy/stubgenc.py

@@ -556,7 +556,9 @@ def is_classmethod(self, class_info: ClassInfo, name: str, obj: object) -> bool:
             raw_lookup: Mapping[str, Any] = getattr(class_info.cls, "__dict__")  # noqa: B009
             raw_value = raw_lookup.get(name, obj)
             classmethod_descriptor = type(int.__dict__["from_bytes"])
-            return isinstance(raw_value, classmethod) or isinstance(raw_value, classmethod_descriptor)
+            return isinstance(raw_value, classmethod) or isinstance(
+                raw_value, classmethod_descriptor
+            )
         else:
             return isinstance(inspect.getattr_static(class_info.cls, name), classmethod)